FontPlatformData FontCustomPlatformData::fontPlatformData(const FontDescription& fontDescription, bool bold, bool italic)
{
int size = fontDescription.computedPixelSize();
FontRenderingMode renderingMode = fontDescription.renderingMode();
ASSERT(m_fontReference);
LOGFONT& logFont = *static_cast<LOGFONT*>(malloc(sizeof(LOGFONT)));
memcpy(logFont.lfFaceName, m_name.charactersWithNullTermination().data(), sizeof(logFont.lfFaceName[0]) * std::min<size_t>(static_cast<size_t>(LF_FACESIZE), 1 + m_name.length()));
logFont.lfHeight = -size;
if (renderingMode == FontRenderingMode::Normal)
logFont.lfHeight *= 32;
logFont.lfWidth = 0;
logFont.lfEscapement = 0;
logFont.lfOrientation = 0;
logFont.lfUnderline = false;
logFont.lfStrikeOut = false;
logFont.lfCharSet = DEFAULT_CHARSET;
logFont.lfOutPrecision = OUT_TT_ONLY_PRECIS;
logFont.lfQuality = CLEARTYPE_QUALITY;
logFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
logFont.lfItalic = italic;
logFont.lfWeight = bold ? 700 : 400;
auto hfont = adoptGDIObject(::CreateFontIndirect(&logFont));
RetainPtr<CGFontRef> cgFont = adoptCF(CGFontCreateWithPlatformFont(&logFont));
return FontPlatformData(WTFMove(hfont), cgFont.get(), size, bold, italic, renderingMode == FontRenderingMode::Alternate);
}
FontPlatformData FontCustomPlatformData::fontPlatformData(const FontDescription& fontDescription, bool bold, bool italic)
{
int size = fontDescription.computedPixelSize();
FontRenderingMode renderingMode = fontDescription.renderingMode();
LOGFONT logFont;
memset(&logFont, 0, sizeof(LOGFONT));
wcsncpy(logFont.lfFaceName, m_name.charactersWithNullTermination().data(), LF_FACESIZE - 1);
logFont.lfHeight = -size;
if (renderingMode == FontRenderingMode::Normal)
logFont.lfHeight *= 32;
logFont.lfWidth = 0;
logFont.lfEscapement = 0;
logFont.lfOrientation = 0;
logFont.lfUnderline = false;
logFont.lfStrikeOut = false;
logFont.lfCharSet = DEFAULT_CHARSET;
logFont.lfOutPrecision = OUT_TT_ONLY_PRECIS;
logFont.lfQuality = CLEARTYPE_QUALITY;
logFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
logFont.lfItalic = italic;
logFont.lfWeight = bold ? 700 : 400;
auto hfont = adoptGDIObject(::CreateFontIndirect(&logFont));
cairo_font_face_t* fontFace = cairo_win32_font_face_create_for_hfont(hfont.get());
FontPlatformData fontPlatformData(WTFMove(hfont), fontFace, size, bold, italic);
cairo_font_face_destroy(fontFace);
return fontPlatformData;
}
PassRefPtr<SimpleFontData> CSSFontFaceSource::getFontData(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic, CSSFontSelector* fontSelector)
{
// If the font hasn't loaded or an error occurred, then we've got nothing.
if (!isValid())
return 0;
if (!m_font
#if ENABLE(SVG_FONTS)
&& !m_svgFontFaceElement
#endif
) {
// We're local. Just return a SimpleFontData from the normal cache.
// We don't want to check alternate font family names here, so pass true as the checkingAlternateName parameter.
return fontCache()->getCachedFontData(fontDescription, m_string, true);
}
// See if we have a mapping in our FontData cache.
unsigned hashKey = (fontDescription.computedPixelSize() + 1) << 5 | fontDescription.widthVariant() << 3
| (fontDescription.orientation() == Vertical ? 4 : 0) | (syntheticBold ? 2 : 0) | (syntheticItalic ? 1 : 0);
RefPtr<SimpleFontData>& fontData = m_fontDataTable.add(hashKey, 0).iterator->value;
if (fontData)
return fontData; // No release, because fontData is a reference to a RefPtr that is held in the m_fontDataTable.
// If we are still loading, then we let the system pick a font.
if (isLoaded()) {
if (m_font) {
#if ENABLE(SVG_FONTS)
if (m_hasExternalSVGFont) {
// For SVG fonts parse the external SVG document, and extract the <font> element.
if (!m_font->ensureSVGFontData())
return 0;
if (!m_externalSVGFontElement) {
String fragmentIdentifier;
size_t start = m_string.find('#');
if (start != notFound)
fragmentIdentifier = m_string.string().substring(start + 1);
m_externalSVGFontElement = m_font->getSVGFontById(fragmentIdentifier);
}
if (!m_externalSVGFontElement)
return 0;
if (auto fontFaceElement = Traversal<SVGFontFaceElement>::firstChild(m_externalSVGFontElement.get())) {
if (!m_svgFontFaceElement) {
// We're created using a CSS @font-face rule, that means we're not associated with a SVGFontFaceElement.
// Use the imported <font-face> tag as referencing font-face element for these cases.
m_svgFontFaceElement = fontFaceElement;
}
fontData = SimpleFontData::create(SVGFontData::create(fontFaceElement), fontDescription.computedPixelSize(), syntheticBold, syntheticItalic);
}
} else
#endif
{
// Create new FontPlatformData from our CGFontRef, point size and ATSFontRef.
if (!m_font->ensureCustomFontData())
return 0;
fontData = SimpleFontData::create(m_font->platformDataFromCustomData(fontDescription.computedPixelSize(), syntheticBold, syntheticItalic,
fontDescription.orientation(), fontDescription.widthVariant(), fontDescription.renderingMode()), true, false);
}
} else {
#if ENABLE(SVG_FONTS)
// In-Document SVG Fonts
if (m_svgFontFaceElement)
fontData = SimpleFontData::create(SVGFontData::create(m_svgFontFaceElement.get()), fontDescription.computedPixelSize(), syntheticBold, syntheticItalic);
#endif
}
} else {
// Kick off the load. Do it soon rather than now, because we may be in the middle of layout,
// and the loader may invoke arbitrary delegate or event handler code.
fontSelector->beginLoadingFontSoon(m_font.get());
// This temporary font is not retained and should not be returned.
FontCachePurgePreventer fontCachePurgePreventer;
SimpleFontData* temporaryFont = fontCache()->getNonRetainedLastResortFallbackFont(fontDescription);
fontData = SimpleFontData::create(temporaryFont->platformData(), true, true);
}
return fontData; // No release, because fontData is a reference to a RefPtr that is held in the m_fontDataTable.
}
